Bale played the full 90 minutes of Saturday's 1-1 draw with Finland in Cardiff -- his first international start since March.

However, Coleman revealed that the 100 million euro forward's participation in any future friendlies will be discussed with his employers.

"There will be pressure from Madrid for him to come with us," Coleman said. "It’s important we are not dogmatic about it. They will bite us on the backside in the end.

"For the bigger picture it might be worth us saying: ‘Just miss this one.’ It depends on when the game is. It depends on what we have got coming up and they have got coming up.

"If it’s at home, it’s nice for the Cardiff public to see him. The Welsh public want to see him.

"If we were away and he’d had a lot of football and he was tired, even if he was fit that could be a conversation we have.

"To be fair to him, in my two years Gareth missed Mexico because of his back, but he was there for games against Bosnia and Austria.

"He’s playing a lot of games in Madrid. We have to look at it long term as well. As much as we need him, we need to look after him as well."

The Wales boss said he and key members of his staff -- Wales technical director Osian Roberts and head physiotherapist Sean Connolly -- will travel to the Spanish capital before the end of the year in order to build a relationship with Real and work out a deal over the level of Bale's international involvement.

"I spoke with Gareth on Friday," he said. "We are going to go over and speak with their whole staff to bring ourselves closer to Madrid. We have to build bridges. We need them with us.

"They have to know and be comfortable that when he comes with us, we know what we are doing, how we prepare because he has a special programme in Madrid regarding his rehabilitation.

"They have to feel comfortable that when he’s with us we are doing everything to send him back in one piece.

"I’ll take Sean, and Osian because they will want to see how it’s going. I’ll want to speak to Carlo [Ancelotti] and Paul Clement.

"It’s a dialogue we have to have with Madrid. If he’s fighting fit and great, we expect him to be here. He will want to play every game. If he’s fatigued, then we might rest him.

"He’s going to get a lot of extra attention and if he’s feeling fatigued or tired or mentally as much as I want him on the pitch and we need him you have to look at it and go: ‘Maybe, depending on who we are playing against in a friendly'."